728 results about "Biomass c" patented technology

The invention provides a comprehensive energy system optimization scheduling method considering biogas reforming hydrogen production and fuel gas hydrogen doping. The method comprises the steps that S1, a comprehensive energy system structure containing biogas reforming hydrogen production and fuel gas hydrogen doping is established; s2, establishing a methane reforming hydrogen production, hydrogen-doped gas turbine and stepped carbon transaction model; s3, establishing an optimal scheduling model of the comprehensive energy system containing methane reforming hydrogen production; s4, wind and light output, load and time-sharing electricity price data of the system are obtained; and S5, solving the scheduling model in the step S3, verifying the economical efficiency and low-carbon property of the methane reforming hydrogen production method, and analyzing the benefits of hydrogen-doped combustion. And multi-element production of hydrogen energy is realized. A green route for converting biomass energy into hydrogen energy is provided, and through comparative analysis of a hydrogen production energy source and a hydrogen production scheme, external gas purchase is reduced, and the carbon emission of converting biomass into heat energy is reduced. And multi-element utilization of hydrogen energy is realized. And absorption of wind and light new energy is promoted. And a stepped carbon transaction mechanism is introduced.

The invention relates to the technical field of biomass energy conversion, in particular to a gradient catalytic biomass tar cracking reactor and a control method thereof.The gradient catalytic biomass tar cracking reactor comprises a multilevel component characterization module, a functional group reaction activity evaluation module, a multi-scale reaction network coupling module, an oxygen content gradient regulation module, a self-adaptive product directional regulation module and the like; the system is used for finely representing tar components, improving complicated composition understanding and processing capability, calculating a functional group reaction activity index, constructing a three-level reaction network, optimizing reaction path selectivity, and generating an oxygen content gradient index and a catalyst distribution scheme, so that gradient reduction of oxygen content and oriented conversion of products in a reactor are realized; the multi-section fixed bed reactor is designed, different catalysts are filled in each reaction area, the reaction requirements are met, the system intelligently regulates and controls reaction operation parameters, the biomass tar cracking efficiency and the product directionality are remarkably improved, and innovation and breakthrough are brought to the technical field of biomass energy conversion.

The invention provides a low-pressure hydroisomerization / cracking process for preparing bio-based aviation fuel, and relates to the technical field of biomass energy. A three-stage hydrogenation process is adopted, a low-temperature and low-pressure homogeneous hydrogenation method combining an oil soluble catalyst with a suspended bed reactor A and a suspended bed reactor B is adopted in the front stage of step (1) and step (2), low-cost hydrogenation upgrading pretreatment is conducted on high-silicon and high-metal biomass inferior grease, deep fixed bed hydrofining is conducted in the middle stage of step (1) and step (2), and high-silicon and high-metal biomass inferior grease is obtained. In order to improve the yield of light oil products, a rear-section fixed bed hydroisomerization reactor is additionally arranged to carry out isomerization / cracking processing on heavy components.

The invention relates to the technical field of biomass energy treatment, and particularly discloses a biomass gasification fuel gas conveying system which comprises a biomass gasification furnace and further comprises a cooling device arranged on a gas output pipeline of the biomass gasification furnace; the water cooling circulation mechanism is connected to the cooling device, and the guide waste discharge barrel is connected with an output pipeline of the biomass gasifier; the waste discharge barrel cleaning mechanism is arranged on the outer wall of the guide waste discharge barrel; the tar and dust removal mechanism is arranged above the guide waste discharge barrel, and the ammonia water supplement mechanism is connected to an input pipeline of the waste discharge barrel cleaning mechanism through the water cooling circulation mechanism; and the monitoring and purifying mechanism is arranged at the output end of the tar and dust removing mechanism. According to the invention, fuel gas cooling, tar and dust removal, equipment cleaning and maintenance and stable conveying are realized.

The invention discloses a new energy power generation prediction method based on weather data, and the method comprises the following steps: a, carrying out the characteristic analysis of a raw material, collecting the physical characteristic parameters of a biomass raw material, including the heat value of a dry basis, the moisture content of a wet basis and the mass, and generating an initial power generation prediction through a thermodynamic model; b, a distributed temperature and humidity sensor network is deployed in a raw material storage area, temperature, humidity and rainfall data are collected in real time, and the raw material mildew rate and moisture content change are dynamically predicted in combination with environmental parameters; through multi-dimensional data perception, multi-physical field coupling modeling and an intelligent decision engine, dynamic prediction of the raw material quality and the transportation efficiency in biomass energy power generation is realized, the power generation capacity prediction error is reduced, meanwhile, the raw material loss is reduced, and a key technical support is provided for large-scale efficient utilization of biomass energy power generation in new energy power generation.

The invention relates to the field of biomass energy and chemical industry, in particular to an efficient methanol preparation method based on biomass graded catalytic conversion and cycle coupling. The method comprises the following steps: in a graded catalytic oxidation reaction system, mixing a biomass raw material with a composite vanadium-based catalyst, water, oxygen and circulating methanol for reaction to generate a gas-liquid mixture containing methyl formate; recycling methyl formate by using a gradient variable-pressure rectification separation system; carrying out an interface hydrogenation reaction under the action of a copper-zinc-LTA hierarchical pore catalyst to generate methanol; finally, part of methanol is purified and recycled through membrane separation. The method realizes efficient conversion from biomass to methanol, has the advantages of mild reaction conditions, low energy consumption, high yield and good catalyst stability, and opens up a new path for industrialization of preparation of methanol from biomass.

The invention belongs to the field of negative electrode materials, and particularly discloses a lignocellulose-based hard carbon active material preparation method, which comprises: placing lignocellulose biomass in a solution A containing a homogenizing agent, carrying out liquid phase modification at a temperature T1, carrying out solid-liquid separation, and collecting to obtain a modified biomass A; sequentially carrying out alkali liquor modification and acid liquor modification treatment on the modified biomass A to obtain modified biomass B; the homogenizing agent is a compound capable of ionizing NH4 < + > ions; carrying out gas phase modification treatment on the modified biomass B in an oxygen-containing atmosphere at the temperature T2 to obtain modified biomass C; and mixing the modified biomass C with an auxiliary agent, carrying out first-stage heat preservation at the temperature T3 in advance, and then carrying out second-stage heat preservation at the temperature T4 to prepare the lignocellulose-based hard carbon active material. The invention also comprises the material prepared by the method and application of the material in a sodium ion battery. The method provided by the invention can be used for preparing the hard carbon material with ultrahigh multiplying power and excellent first effect and stability.

The invention relates to the field of biomass energy conversion, in particular to a multi-mode intelligent purification system and method for a biomass gasifier, and the system integrates five modules of self-adaptive multi-field coupling tar cracking, multi-dimensional real-time intelligent monitoring, in-situ nano catalyst regeneration, energy cascade recovery and digital twin driving. According to the system, through the synergistic effect of an electric field, ultrasonic waves, catalysis and a temperature gradient, the tar removal efficiency is remarkably improved to 99.5% or above, the content of tar at an outlet is lower than 5 mg / Nm < 3 >, an intelligent monitoring module collects technological parameters in real time, and precise control is ensured; the catalyst regeneration module performs in-situ regeneration on a catalyst based on monitoring data to maintain efficient operation of the system; the energy recovery module utilizes heat energy in a gradient mode and optimizes energy configuration, the digital twin module constructs a system digital model, optimization and predictive maintenance of real-time data driving are achieved, and the system achieves innovation breakthrough of intelligence and energy conservation while improving the biomass gasification purification efficiency.

The invention belongs to the technical field of biomass energy power generation, and particularly relates to a decoupling type biomass gasification power generation system and a multi-parameter cooperative control method.The method comprises the steps that 1, biomass raw materials are fed into a vertical multi-section decoupling gasification furnace to be gasified, a gasifying agent and water vapor are introduced into the decoupling gasification furnace, and the biomass raw materials are gasified by adjusting the introduction amount of the gasifying agent and the water vapor; the temperature of a reduction zone is controlled to be 700-900 DEG C; 2) cooling a gasification product of the decoupling gasification furnace through a heat exchanger, performing primary filtration through a filter I, removing moisture through a steam-water condensation separator, pressurizing through a Roots blower, performing secondary filtration through a filter II, and feeding into an internal combustion engine for power generation; and (3) gas exhausted by the internal combustion engine is supercharged by an exhaust turbocharger, compressed by a compressed air generator and sent to the decoupling gasifier as a gasifying agent. The system has the advantages that in-situ high-temperature catalytic cracking of tar, efficient utilization of waste heat and stable operation of the system can be realized, the power generation efficiency is improved, and meanwhile, the equipment cost is reduced.

The invention relates to a fluidized bed and bubbling bed combined biomass gasification device, which comprises a biomass gasification device, a fuel feeding system, an ignition system, a bed material supply system, a cyclone separator, a special biomass high-temperature gas boiler, an air blower, an induced draft fan and the like. Biomass gas is produced in a mode of combining a fluidized bed and a bubbling bed and is used by a special boiler. According to the device, an existing fixed bed gasification furnace cooling device is omitted, biomass high-temperature fuel gas is used as a medium, more heat is utilized in a rear fuel gas special boiler, and the water cooling jacket cooling loss of the fixed bed gasification furnace is reduced to a great extent. And meanwhile, steam generated by the rear-end boiler is fed into the bubbling bed to further gasify a by-product (charcoal) of fluidized bed gasification reaction, so that more heat energy is released, the biomass gasification efficiency is greatly improved, and the biomass energy is more fully utilized.

The invention belongs to the fields of biochemical engineering, straw resource comprehensive utilization, three-element separation and synthetic biological fermentation engineering and biomass energy, and discloses high-solid-content plant-derived fulvic acid produced by using humulus lupulus and a production process. The invention discloses a production process of plant-derived fulvic acid, which comprises the following steps: adding a core additive containing humulus lupulus, and mixing with ammonium sulfite to obtain a cooking liquid medicine; and mixing the raw materials with the cooking liquid medicine, cooking, extracting, separating and concentrating to obtain the fulvic acid product concentrated black liquor with high solid content. According to the method, the solid content or dry content of the plant-derived fulvic acid can be increased, the solid content of the existing similar product fulvic acid in the market is higher, the detection value is generally 47-57%, and according to the technical scheme provided by the invention, the solid content of the plant-derived fulvic acid exceeds 75%, and the increase amplitude exceeds 40%.

The invention discloses a method for capturing carbon dioxide to participate in biomass gasification to prepare green methanol, and particularly relates to the field of biomass energy utilization, a gasification furnace body, a dust removal heat exchanger and a purification water washing box are included, and the exhaust end of the purification water washing box is connected with a high-voltage electrostatic decoking device through a pipeline; the exhaust end of the high-voltage electrostatic decoking device is connected with a synthetic gas cabinet, the synthetic gas cabinet is connected with a gas desulfurization and dechlorination purifier through a pipeline, and the exhaust end of the gas desulfurization and dechlorination purifier is connected with an effective gas reforming transformation box through a pipeline; and the effective gas reforming transformation box is connected with a gasifying agent inlet at the bottom end of the gasifier body through a pipeline. Carbon dioxide discharged in the secondary reforming transformation process of gasified synthesis gas is captured and fed into the gasifying agent at the front end, the carbon dioxide is doped into the gasifying agent, so that the oxygen proportion is reduced, a small amount of oxygen can promote pyrolysis and gasification reaction of biomass, the yield of hydrogen is increased, and waste gas utilization of the carbon dioxide is achieved.

The invention relates to the technical field of biomass energy utilization, in particular to a method for producing biogas by biomass fermentation, which comprises the following steps: pretreating raw materials, collecting agricultural wastes, forestry residues, organic household garbage and other biomass raw materials, sorting and crushing the biomass raw materials until the particle size is 1-3mm, putting the biomass raw materials into a soaking pool and adding biogas slurry for soaking, adding a compound enzyme preparation, and stirring and soaking for 12-24 hours at 30-40 DEG C; draining the pretreated raw materials, inoculating microbial flora, and transferring into an anaerobic fermentation tank; in the initial stage of fermentation, the temperature in the tank is 28-32 DEG C, the pH value is 6.5-7.0 and is kept anaerobic, after the gas production rate is increased, the temperature is adjusted to 35-38 DEG C, the pH value is 7.0-7.2, and a buffering agent is added in good time. According to the method, the biomass raw materials are subjected to fine pretreatment, so that complex organic components in the biomass raw materials can be fully decomposed, more organic matters which are originally difficult to utilize by microorganisms are converted into fermentable substrates, the gas production efficiency is remarkably improved, and compared with a traditional method, the biogas yield can be remarkably increased.

The invention provides a kitchen garbage biomass energy resource cascade recovery system, which comprises a pretreatment unit, a biomass energy resource cascade recovery unit, a biomass energy resource cascade recovery unit and a biomass energy resource cascade recovery unit, and is characterized in that the pretreatment unit is used for pretreating kitchen garbage and straws to obtain slurry and solids; the solid phase treatment unit comprises a biological hydrolysis device, a biological fermentation device and a biological decomposition device which are connected in sequence; the biological hydrolysis device is connected with the pretreatment unit; the product utilization unit is connected with the biological decomposition device; the liquid phase treatment unit comprises a dark fermentation hydrogen production device, a microbial electrolysis cell hydrogen production device and an anaerobic digestion methane production device which are connected in sequence; the dark fermentation hydrogen production device is connected with the pretreatment unit; and the tail water utilization unit is connected with the anaerobic digestion methane production device. The gas, the liquid and the solid generated by the recovery system are subjected to effective energy recovery and maximum resource utilization, no three wastes are generated, and the recovery system can be widely applied to the fields of agriculture, environmental protection, energy and the like.

The invention relates to the field of power equipment data processing, in particular to a distributed biomass power generation real-time monitoring method fusing the Internet of Things, and aims to solve the problem of time sequence offset caused by sampling frequency difference and network transmission jitter of multi-source heterogeneous data streams. A neural process model is adopted to predict fuel calorific value space-time distribution characteristics, a causal convolutional network is combined to generate a high-frequency pseudo sequence synchronized with temperature field data, and data stream space-time consistency is maintained through forward error correction coding redundancy compensation and MQTT protocol hierarchical transmission; a combustion efficiency confidence coefficient matrix is constructed, ash accumulation characteristics and flue gas oxygen content dynamic changes are fused, a space-time cross attention optimization algorithm is used for generating an anti-disturbance control instruction set, nonlinear deviation and overshoot oscillation of an emission closed-loop control system are effectively restrained, and the control precision and operation economy of the biomass energy conversion process are improved.

The invention belongs to the technical field of biomass energy utilization, and particularly relates to a method for improving the selectivity of light aromatic hydrocarbon in a biomass product through catalytic pyrolysis of a zeolite molecular sieve catalyst. The content of medium-strong acid sites in the zeolite molecular sieve catalyst is found to have relatively strong positive correlation with the selectivity of light aromatic hydrocarbons prepared during catalytic pyrolysis of biomass, so that when the zeolite molecular sieve catalyst is used for catalytic pyrolysis of biomass, the content of the medium-strong acid sites in the zeolite molecular sieve catalyst can be increased by increasing the proportion of the medium-strong acid sites in the zeolite molecular sieve catalyst; the selectivity of light aromatic hydrocarbon in the catalytic pyrolysis product is improved.

The invention provides a method for preparing alkane olefin by catalyzing microalgae pyrolysis through an alkali modified molecular sieve, and belongs to the field of biomass energy utilization. According to the method, the ZSM-5 molecular sieve raw powder is modified by adopting the alkaline solution, so that the pore structure of the ZSM-5 molecular sieve can be improved, the distribution of acidic sites can be optimized, the regulation and control of a microalgae pyrolytic reaction path can be realized under relatively mild conditions, the deoxidation reaction can be promoted, the content of oxygen-containing products can be reduced, and the generation of alkane olefin substances can be promoted; the aromatization reaction strength is reduced, and the selectivity of light hydrocarbons is improved, so that the content of alkanes and olefins in the pyrolysis bio-oil reaches 70% or above, and the quality of the pyrolysis bio-oil is remarkably improved. Results of the embodiment show that the pyrolysis bio-oil provided by the invention is subjected to gas chromatography-mass spectrometry detection, and the alkane-olefin peak area content is greater than 70%.

The utility model discloses a biomass particle drying and screening device which comprises a tank body, a feeding hopper, a discharging opening, a supporting column, a circulating assembly, a screening assembly and a stirring assembly. The feeding hopper is located at the top end of the tank body, the discharging port is located on one side of the tank body, the supporting column is located at the bottom end of the tank body, the circulating assembly is located on one side of the tank body, the screening assembly is located at the top end of the tank body, and the stirring assembly is located on one side of the tank body. Compared with the prior art, the biomass energy particle screening device has the advantages that biomass energy particles can be screened, so that the biomass energy particles can be in full contact with hot air, the biomass energy particles can be circularly conveyed, the drying speed is increased, and the drying efficiency is improved.

The utility model provides a coupling blending combustion system for crushing, screening and conveying biomass, and relates to the technical field of biomass energy. The system comprises a loading machine, a shredding machine, a rolling screening feeding belt and a rolling screen, the loading machine is used for loading biomass materials and loading the biomass materials into the shredding machine from the feeding end of the shredding machine, primary crushing is achieved through the shredding machine, and primary screening is achieved through the rolling screen; the system further comprises a chain plate belt, a winnowing belt, a winnowing fan, a pulverizer, a centrifugal suction fan, a dust remover, a cyclone separator, a rotary feeder, a conveying pipeline, a Roots blower and a biomass burner, biomass materials are conveyed into the biomass burner through the conveying pipeline by the Roots blower, secondary screening is achieved by the winnowing fan, and secondary crushing is achieved by the pulverizer. The primary crushing and screening system and the secondary crushing and screening blending combustion system are combined to ensure that biomass materials entering the furnace are clean, the winnowing rate of rotten soil, dust, stones, clods and iron blocks in the biomass materials reaches 85% or above, and the combustion efficiency is improved.

The present application belongs to the technical field of biomass energy power generation, and particularly relates to a decoupling type biomass gasification power generation system and a multi-parameter collaborative control method, which comprises the following steps: 1) biomass raw materials are fed into a vertical multi-stage decoupling gasification furnace for gasification, a gasification agent and water vapor are introduced into the decoupling gasification furnace, the amount of the gasification agent and water vapor introduced is adjusted, and the temperature in the reduction zone is controlled at 700-900 DEG C; 2) the gasification products of the decoupling gasification furnace are cooled by a heat exchanger, then filtered by a filter I for the first time, water is removed by a steam-water condenser separator, pressurized by a Roots blower, filtered by a filter II for the second time, and then fed into an internal combustion engine for power generation; and 3) the gas discharged from the internal combustion engine is pressurized by an exhaust gas turbocharger, then compressed by a compressed air generator, and then fed into the decoupling gasification furnace as a gasification agent. The present application has the advantages that the present application can realize in-situ high-temperature catalytic cracking of tar, efficient utilization of waste heat, and stable operation of the system, thereby improving the power generation efficiency and reducing the equipment cost.

The utility model discloses a treatment device for preparing biomass energy from forestry and agricultural residues, and relates to the technical field of biomass energy preparation, the treatment device comprises a bottom plate and a drying box, the drying box is arranged above the bottom plate, and a plurality of fixing pipes are distributed on the upper surface of the bottom plate in a rectangular array mode; a movable rod is movably sleeved with the fixed rod, the upper end of the movable rod is fixedly connected with the drying box, a hollow plate is arranged on one side of the interior of the drying box, a plurality of nozzles are fixedly arranged on one side of the hollow plate, a transverse pipe is arranged on the other side of the hollow plate in a communicating mode, and one end of the transverse pipe extends out of the drying box. And an air heater is fixedly arranged on one side of the upper surface of the bottom plate, an air outlet of the air heater is fixedly connected with a corrugated pipe, and the upper end of the corrugated pipe communicates with the transverse pipe. According to the biomass energy drying device, prepared biomass energy can be raised and air-dried, and the drying efficiency of the biomass energy can be greatly improved.

The invention provides a combined cooling heating and power multi-energy complementary system based on biomass energy, solar energy and wind energy. The combined cooling heating and power multi-energy complementary system comprises an electric power balance system, a heat balance system and a cold balance system. According to the system, biomass energy, solar energy and wind energy are utilized, the problems that current primary energy consumption is too fast and carbon emission is too high can be solved, power generation and gas generation of the system are dynamically utilized for reasonable distribution of the system, a balance system for a user to meet the power requirement and the cooling and heating load requirement is achieved, and utilization of clean energy, straw, waste gas and the like are achieved. The livestock manure is reasonably and fully utilized, the problem of dynamic multi-energy complementation is solved, and the problems of biomass energy waste and environmental pollution are solved to the maximum extent.

The invention relates to a hydrogen metallurgy supplementary heating method and device. The method comprises the following steps: 1) storing biomass synthesis gas generated by a biomass gasifier in a gas storage tank; 2) blowing the biomass synthesis gas into a heat exchanger through a fan for primary heating, wherein the primary heating temperature is 80-200 DEG C; (3) introducing the biomass synthesis gas subjected to primary heating into a combustor, igniting, and carrying out secondary heating, wherein the temperature of the secondary heating is 800-1300 DEG C; and (4) mixing the biomass synthesis gas subjected to secondary heating with gas flowing out of the secondary hydrogen metallurgy reactor, feeding the mixture into a primary hydrogen metallurgy reactor, and controlling the temperature of the mixed gas entering the primary hydrogen metallurgy reactor to be 700-900 DEG C. According to the invention, biomass synthesis gas containing CO, H2 and CH4 is gasified by utilizing renewable resource biomass energy, so that the hydrogen content in the original gas is not reduced, a part of reducing gas CO and H2 is added, a part of combustible gas can be combusted for heating, and the reduction reaction of the hydrogen metallurgy reactor is promoted to be carried out more efficiently.

The present invention relates to the field of biomass energy technology, specifically to a biomass energy briquetting machine, comprising a base, a storage bin is fixedly connected to the right side of the base, a transmission bin is fixedly connected to the top of the base, a briquetting chamber is fixedly connected to the right side of the transmission bin, and a dosing port is fixedly connected to the top of the briquetting chamber. The present invention can realize automatic pressing of ingredients and improve work efficiency by providing a transmission bin and a dosing port. The transmission bin drives the gear to rotate through a motor, thereby driving the rotating rod and the fan-shaped teeth to rotate. The gear rod reciprocates under the push of the fan-shaped teeth, thereby pushing the pressing plate to press the ingredients. At the same time, the pushing block realizes continuous pushing of the ingredients through the cooperation of the third gear and the third rotating rod, thereby ensuring the continuity of the pressing process. At the same time, the briquetting chamber body and the dosing port shell are connected through a connecting rod and a second connecting rod, thereby ensuring the structural stability and working reliability of the entire device.

The invention relates to an agricultural integrated energy system (IAES) low-carbon economic dispatching method considering biomass energy power generation and air source heat pump energy supply, which is characterized by comprising the following steps of: firstly, proposing an IAES topological structure considering the energy supply of a biomass energy power plant and an air source heat pump; secondly, mathematical modeling is conducted on key equipment in the IAES, such as a biomass energy power plant, a cogeneration device, a carbon capture device and an air source heat pump; secondly, considering the power grid electricity price and the wind power electricity price in the peak-valley normal period, considering the carbon transaction cost into the daily operation cost, and performing day-ahead low-carbon economic dispatching on the IAES; finally, simulation verification shows that the provided optimal scheduling method can excavate the IAES carbon emission reduction potential to the maximum extent and considers the system operation economy.

The utility model discloses a waste gas dust removal device for biomass energy power generation, which relates to the technical field of environmental protection and air pollution abatement, comprises a base and a box body, and is characterized in that a linkage mechanism is arranged on the box body, the linkage mechanism comprises a driving component and a synchronizing component, the driving component comprises a motor fixedly connected to the top surface of the base, and the synchronizing component comprises a synchronous component and a synchronous component. The output end of the motor is fixedly connected with a driving rod, the driving rod is fixedly connected with a first bevel gear, the first connecting rod is fixedly connected with a second bevel gear, the box body communicates with an air outlet net, the first connecting rod penetrates through the air outlet net, the air outlet net is rotationally connected with the first connecting rod, and the first connecting rod is fixedly connected with a connecting block; by arranging the linkage mechanism and through reasonable design and optimization, the efficiency of a mechanical system is improved, the space is effectively utilized, complex movement is achieved in the limited space, and the energy utilization rate and the movement efficiency are improved.

The invention discloses an integrated anaerobic fermentation self-heating biogas production system and method, and belongs to the technical field of biomass energy. In the system disclosed by the invention, a thermal medium outlet of a solar heat collection unit is connected with a thermal medium inlet of a heat storage unit; a heat medium outlet of the heat storage unit is connected with a heat medium inlet of the anaerobic fermentation unit; a gas outlet of the anaerobic fermentation unit is respectively connected with the post-treatment system and the torch incineration device; a natural gas outlet of the post-treatment system is connected with the torch incineration device; a waste heat outlet of the post-treatment system is connected with a thermal medium inlet of the anaerobic fermentation unit; a cold medium outlet of the anaerobic fermentation unit is connected with a cold medium inlet of the heat storage unit; and a cold medium outlet of the heat storage unit is connected with a cold medium inlet of the solar heat collection unit. The system solves the technical problem that an existing method is high in energy consumption and difficult to achieve efficient operation of the whole system.

The invention discloses a cascade energy supply and green hydrogen coupling biomass all-carbon directional conversion synthesis gas system and method, and belongs to the technical field of biomass energy conversion. The system comprises a first-stage gasification furnace, a second-stage gasification furnace, a gas-solid separator, an alkane reforming device, a reverse water-gas shift device and a water electrolysis device. The method comprises the following steps: pyrolyzing a biomass raw material and a catalyst in a primary gasifier (500-700 DEG C) to generate semicoke and tar-containing fuel gas; carrying out catalytic co-gasification on the semicoke and tar-containing fuel gas in a secondary gasifier (800-900 DEG C), and realizing tar cracking and CH4 reforming by using a catalyst to obtain crude synthesis gas; after being subjected to high-temperature dust removal, the crude synthesis gas sequentially passes through a self-heating alkane reforming device (CH4lt; 1%) and a reverse water-gas shift device, and finally synthesis gas with the H2 / CO ratio of 2: 1 is produced, so that the chemical application requirements of methanol, Fischer-Tropsch synthesis and the like are completely met, the high energy consumption bottleneck of a traditional process is broken, and full-life-cycle negative carbon emission is achieved.

The invention belongs to the technical field of biomass energy, and particularly relates to a biomass gasifier system based on decoupling zoning and tar in-situ cracking and a tar control method.The biomass gasifier system comprises a furnace body, a feeding mechanism and a preheating mechanism, the furnace body is of a vertical multi-section cavity structure, and the interior of the furnace body is divided into a cracking zone, an oxidation zone and a reduction zone from top to bottom; the areas are separated by at least one group of partition plates with holes; a gas distributor is fixed at the side part of the furnace body and is communicated with the oxidation zone; a rotating blade loaded with a catalyst is arranged in the reduction area; the feeding mechanism is arranged above the furnace body and used for providing biomass raw materials for the furnace body. The system has the advantages that the tar content is reduced through decoupling partition design and catalytic cracking cooperative control, the output rate and the lower calorific value of combustible gas are improved, and the biomass gasifier system has an obvious cooperative upgrading effect on the obtained mixed gas.

The application discloses a biomass collection, storage and transportation site optimization method, and belongs to the technical field of biomass energy utilization and space optimization. The method comprises the following steps: acquiring biomass site data and trunk road information of a preset area, constructing a biomass distribution matrix of the preset area by means of geographical coordinates and density of the biomass site, setting weights of corresponding sites based on biomass density, clustering and reducing dimensions of the distribution matrix by means of the weights, and outputting a preset number of candidate site sets of biomass collection and storage stations; generating an address combination containing a preset number of optimal biomass collection and storage stations based on the candidate site sets of the biomass collection and storage stations; generating a candidate site set containing a preset number of biomass power plants along a line by means of the trunk road information; generating an address combination containing a preset number of optimal biomass power plants based on the candidate site set of the biomass power plants; and the method can accurately and economically determine an optimal address combination of biomass collection, storage and transportation in the preset area.